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// Copyright 2009 the Sputnik authors. All rights reserved.
// This code is governed by the BSD license found in the LICENSE file.
/**
* @name: S15.8.2.5_A12;
* @section: 15.8.2.5;
* @assertion: If y<0 and x is +0, Math.atan2(y,x) is an implementation-dependent approximation to -PI/2;
* @description: Checking if Math.atan2(y,+0) is an approximation to -PI/2, where y<0;
*/
$INCLUDE("math_precision.js");
$INCLUDE("math_isequal.js");
// CHECK#1
x = +0;
//prec = 0.00000000000001;
y = new Array();
y[0] = -0.000000000000001;
y[2] = -Infinity;
y[1] = -1;
ynum = 3;
for (i = 0; i < ynum; i++)
{
if (!isEqual(Math.atan2(y[i],x), -(Math.PI)/2))
$FAIL("#1: Math.abs(Math.atan2(" + y[i] + ", " + x + ") + ((Math.PI)/2)) >= " + prec);
}
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